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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 599 · 40 questions
TalentJR

Remember (Who and what for?): Telephone – Alexander Graham Bell, first aeroplane – the Wright brothers, printing press – Johannes Gutenberg, raised-dot writing – Louis Braille. Smallpox vaccine – Edward Jenner, penicillin – Alexander Fleming, stethoscope – René Laennec, electric battery – Alessandro Volta, X-rays – Wilhelm Röntgen. Uses: telephone – talk far away, thermometer – body temperature, compass – directions, telescope – faraway stars, microscope – tiny germs.

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  1. 1.🔧 Which invention helps us tell the time? (a) stethoscope (b) clock (c) telescope (d) compass
  2. 2.What does a calculator help us do? (a) find directions (b) hear the heartbeat (c) do sums quickly (d) talk to people far away
  3. 3.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  4. 4.True or false: Alessandro Volta gave us the telephone. (a) False (b) True
  5. 5.True or false: Johannes Gutenberg gave us the electric battery. (a) True (b) False
  6. 6.What did Alexander Fleming give us? (a) raised-dot writing (b) the electric battery (c) penicillin (d) the first aeroplane
  7. 7.💡 Who gave us the telephone? (a) the Wright brothers (b) Louis Braille (c) Alexander Fleming (d) Alexander Graham Bell
  8. 8.🔧 Which invention helps us see tiny germs? (a) microscope (b) telephone (c) compass (d) printing press
  9. 9.🔧 Which invention helps us talk to people far away? (a) telephone (b) printing press (c) calculator (d) thermometer
  10. 10.What did Louis Braille give us? (a) the stethoscope (b) the first aeroplane (c) the electric battery (d) raised-dot writing
  11. 11.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Alessandro Volta (d) Alexander Fleming
  12. 12.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  13. 13.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  14. 14.What does a thermometer help us do? (a) tell the time (b) hear the heartbeat (c) measure body temperature (d) see tiny germs
  15. 15.💡 Who gave us the smallpox vaccine? (a) René Laennec (b) Alexander Graham Bell (c) Edward Jenner (d) Alexander Fleming
  16. 16.🔧 Which invention helps us measure body temperature? (a) microscope (b) calculator (c) telephone (d) thermometer
  17. 17.True or false: Alexander Fleming gave us raised-dot writing. (a) True (b) False
  18. 18.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  19. 19.🔧 Which invention helps us find directions? (a) calculator (b) stethoscope (c) telescope (d) compass
  20. 20.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  21. 21.What did the Wright brothers give us? (a) the first aeroplane (b) the electric battery (c) raised-dot writing (d) the telephone
  22. 22.What did Wilhelm Röntgen give us? (a) the telephone (b) X-rays (c) the first aeroplane (d) the stethoscope
  23. 23.True or false: a microscope helps us see tiny germs. (a) True (b) False
  24. 24.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Edward Jenner (c) Alexander Graham Bell (d) the Wright brothers
  25. 25.💡 Who gave us the first aeroplane? (a) René Laennec (b) Alexander Fleming (c) Johannes Gutenberg (d) the Wright brothers
  26. 26.💡 Who gave us the electric battery? (a) Wilhelm Röntgen (b) Edward Jenner (c) Alexander Fleming (d) Alessandro Volta
  27. 27.True or false: a calculator helps us measure body temperature. (a) True (b) False
  28. 28.🔧 Which invention helps us see faraway stars? (a) telescope (b) compass (c) printing press (d) telephone
  29. 29.True or false: a microscope helps us measure body temperature. (a) True (b) False
  30. 30.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) Alexander Fleming (c) Johannes Gutenberg (d) Wilhelm Röntgen
  31. 31.What does a microscope help us do? (a) measure body temperature (b) see tiny germs (c) see faraway stars (d) print many books
  32. 32.What did Alexander Graham Bell give us? (a) X-rays (b) the telephone (c) penicillin (d) raised-dot writing
  33. 33.What did René Laennec give us? (a) penicillin (b) the electric battery (c) the printing press (d) the stethoscope
  34. 34.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  35. 35.What did Edward Jenner give us? (a) the electric battery (b) the smallpox vaccine (c) X-rays (d) the telephone
  36. 36.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  37. 37.What does a telephone help us do? (a) talk to people far away (b) tell the time (c) measure body temperature (d) hear the heartbeat
  38. 38.True or false: a telescope helps us hear the heartbeat. (a) True (b) False
  39. 39.What does a compass help us do? (a) measure body temperature (b) find directions (c) see faraway stars (d) do sums quickly
  40. 40.True or false: Alessandro Volta gave us X-rays. (a) False (b) True

Answer key

  1. clock
  2. do sums quickly
  3. True
  4. False
  5. False
  6. penicillin
  7. Alexander Graham Bell
  8. microscope
  9. telephone
  10. raised-dot writing
  11. Alexander Fleming
  12. True
  13. True
  14. measure body temperature
  15. Edward Jenner
  16. thermometer
  17. False
  18. True
  19. compass
  20. True
  21. the first aeroplane
  22. X-rays
  23. True
  24. Johannes Gutenberg
  25. the Wright brothers
  26. Alessandro Volta
  27. False
  28. telescope
  29. False
  30. Wilhelm Röntgen
  31. see tiny germs
  32. the telephone
  33. the stethoscope
  34. True
  35. the smallpox vaccine
  36. False
  37. talk to people far away
  38. False
  39. find directions
  40. False

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